| ABSTRACT | 第5-6页 |
| Chapter 1 Introduction | 第9-24页 |
| 1.1 The outline of electrochemical reduction of CO_2 research | 第9-10页 |
| 1.2 The research status of electrochemical CO_2 reduction | 第10-14页 |
| 1.3 The technology of electrochemical CO_2 reduction | 第14-22页 |
| 1.3.1 The principle of electrochemical CO_2 reduction | 第14-20页 |
| 1.3.2 The research methods of electrochemistry on CO_2 reduction | 第20-21页 |
| 1.3.3 The electrocatalytic used in the paper | 第21-22页 |
| 1.4 The significant of this topic | 第22-24页 |
| Chapter 2 The Electrode Preparation and Analysis | 第24-31页 |
| 2.1 Experimental | 第24-27页 |
| 2.1.1 The apparatus and experiment conditions | 第24-25页 |
| 2.1.2 Preparation of Cu nanostructured electrode surface | 第25-26页 |
| 2.1.3 Analysis of catalyst surface chemistry and morphology | 第26-27页 |
| 2.2 The results and discussion | 第27-30页 |
| 2.2.1 Characterization of Cu nanostructured electrode surface | 第27-29页 |
| 2.2.2 Surface area measurements | 第29-30页 |
| 2.3 In summary | 第30-31页 |
| Chapter 3 Study of CO_2 electroreduction activity of modified Cu-catalyzed electrodes | 第31-51页 |
| 3.1 Experimental | 第32-35页 |
| 3.1.1 The apparatus and experimental conditions | 第32页 |
| 3.1.2 Electrochemical test | 第32-33页 |
| 3.1.3 Electroreduction of CO_2 | 第33-35页 |
| 3.2 The results and discussion | 第35-50页 |
| 3.2.1 Effect of electrolytes for pre-electroreduction of Cu oxides | 第35-37页 |
| 3.2.2 Effect of temperature and time during annealing Cu foiol | 第37-40页 |
| 3.2.3 Electrocatalytic activity of Cu nanostructured electrode surface toward CO_2 electroreduction | 第40-41页 |
| 3.2.4 Stability of the fabricated electrode surfaces | 第41-43页 |
| 3.2.5 Faradaic efficiency of the produced formate | 第43-46页 |
| 3.2.6 Understanding of the electrocatalytic CO_2 reduction kinetics | 第46-50页 |
| 3.3 Summary | 第50-51页 |
| Chapter 4 Preparation of branch-fork-structured Cu oxides and RRDE study for CO_2electroreduction | 第51-64页 |
| 4.1 Experimental | 第51-55页 |
| 4.1.1 The apparatus and experimental conditions | 第51-52页 |
| 4.1.2 Synthesis of branch-fork-structured Cu oxides | 第52-54页 |
| 4.1.3 Electrode measurements | 第54-55页 |
| 4.2 The results and discussion | 第55-63页 |
| 4.2.1 Electrocatalytic activity of nano-Cu oxides | 第55-57页 |
| 4.2.2 RRDE study for electrocatalytic CO_2 reduction kinetics | 第57-60页 |
| 4.2.3 The electron-transfer mechanism on nano-Cu oxides fabricated electrode | 第60-63页 |
| 4.3 Summary | 第63-64页 |
| Chapter 5 Conclusions | 第64-66页 |
| References | 第66-72页 |
| The outcomes during masterfs degree | 第72-73页 |
| 致谢 | 第73页 |
